diff --git a/Cargo.lock b/Cargo.lock
index b5a305254..300fc3d60 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1089,9 +1089,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "memmap2"
-version = "0.5.3"
+version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "057a3db23999c867821a7a59feb06a578fcb03685e983dff90daf9e7d24ac08f"
+checksum = "d5172b50c23043ff43dd53e51392f36519d9b35a8f3a410d30ece5d1aedd58ae"
 dependencies = [
  "libc",
 ]